NewRixing NR-4019 Outdoor Portable Bluetooth Speaker with Hands-free Call Function, Support TF Card & USB & FM & AUX

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About that product 1. With a characteristic lanyard, portable and easy to bring 2. TWS series technology 3. Built-in 1200 mAh full 18650 original battery 4. Bluetooth playback test at 80% volume Play time: 5-6 hours, charging time: 4 hours (play time varies with volume and audio content) Product parameters 1. Output power: 2x 3W 2. Speaker: 2, external magnetic 4ohm 3W, 52mm 3. Signal to noise ratio: >=80dB 4. Bluetooth standard: 4.2+EDR 5. Working distance: >=10 meters 6. Input voltage: Show more